sbdp_mem_del_span
rv = sbdp_mem_del_span(hdp, tmp_basepa, sz);
rv = sbdp_mem_del_span(hdp, tmp_basepa, sz);
rv = sbdp_mem_del_span(hdp, tmp_basepa, sz);
int sbdp_mem_del_span(sbdp_handle_t *hp, uint64_t address, uint64_t size);